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N. u. PARKER. SUPPORTING CLAMP FOR VARIOUS OBJECTS.

APPLICATION FILED SEPT-28.1916- PatentedJuly 22, 1919.

an one.

NEWELL D. PARKER, OF NEW YORK, N. Y., ASSIGNOR TO STANDARD SCIENTIFIC COMPANY, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.

SUPPORTING-CLAMP FOR VARIOUS OBJECTS.

Specification of Letters Patent. Patented July 22, rare.

Application filed September 28, 1916. Serial No. 122,617.

which the following is a specification, reference being had therein to the accompanying drawings.

This invention refers to a clamping derice for supporting objects of various kinds in. any desired position, such objects for example as maps, charts, pictures, articles of wearing apparel, and a multitude of other things which need not be enumerated. The object of the invention is to provide a secure and effective clamping means which can be readily brought into use for the purpose of clamping and holding the object, and can be disengaged with equal facility so as to release the object when desired.

In the accompanying drawing illustrating my invention:

Figure 1 is a perspective view of my improved clamping device for supporting various objects.

Fig. 2 is a sectional side elevation showing the use of one of the cam devices of the clamping member.

The frame of the clam consists of a rear attaching plate 1 adapte to be secured to a suitable support such as the face of a wall by means of screws 2 or other securing means. Extendin' from the upper end of the plate and pre erably from the opposite edges thereof are a pair of parallel bracket arms 3 preferably of inverted L shape, the

horizontal members being designated 7 and the vertical members 8, these latter being parallel with the attachin plate 1. In the lower ends of the depen ing parts of the bracket arms is supported, upon a pivot 4:,

an eccentric or cam shaped clamp 6, the weighted end of which is adapted to be held by gravity against the face of the attaching plate, engaging therewith along a line some distance below the lower edges of the horizontal members 7 of the bracket arms. The cam is provided with an extension t3, which when the clamp is in normal posltlon as represented in the drawings lies beyond the outer edges of the depending parts of the bracket arms. This extension 5 constitutes readily accessible means by which the clamp may be manipulated. In

use the article to be held between the weighted end of the clamping cam 6 and the plate 1 is slipped between these two parts until it is arrested by coming into engagement with the lower edges of the horizontal members 7 of the bracket arms. These are-so positioned that the article when thus arrested is in proper position to be securely held by the clamping cam. As has been stated the clamp described is particularly adapted for supporting maps, charts and the like and it is desirable that these should be supported with their upper and lower edges horizontal. This can be easily secured by use of clamps such as I have illustrated provided they be properly applied to the wall surface or other support on which they are carried. In applying to a map or chart it is only necessary t at the upper ed e thereof be slipped into two clamps simu taneously and until such edge engages the sto s above the clamping cam formed by the orizontal portions of the bracket arms. These stops thus serve as means, not only for determining the proper points of engagement for the clamping cams, but also for insuring that the article if supported by two clamps shall be properly suspended with reference to the horizon.

The frame comprising the attachin plate 1 and the bracket arms 3 is pre erably formed from an integral piece of sheet metal cut and shaped to produce the article illustrated in the drawings.

What I claim is:

A clamp for holding suspended maps, charts and the like, comprising an attaching plate, a pair of bracket arms extendin outwardly from the upper end thereo the ing substantially parallel with the attaching plate, and a clamping cam pivotally supends of the bracket arms depending and beported in the lower ends of the depending portions of the bracket arms, arranged to have its Weighted end hearing by gravity against the front face of the attaching plate 5 along a line below the lower edges of the outwardly extending portions of the bracket arms, whlch portions serve as stops to arrest an article being applied to the stop, and

determining the proper sition in which it should be held by the c amp. 10 In testimony whereof I hereunto aflix my signature.

NEWELL D. PARKER. 

